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Finding the Fourth Proportional to 117,943.80, 176,915.70 and 115,999.80

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Solution

The fourth proportional to 117,943.80, 176,915.70 and 115,999.80 is: 173,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,943.80 : 176,915.70 = 115,999.80 : x
  2. Step 2: Convert to fraction form
    117,943.80/176,915.70 = 115,999.80/x
  3. Step 3: Cross multiply
    117,943.80x = 176,915.70 × 115,999.80
  4. Step 4: Simplify right side
    117,943.80x = 20,522,185,816.86
  5. Step 5: Solve for x
    x = 20,522,185,816.86/117,943.80
  6. Step 6: Final answer
    x = 173,999.70

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